Multi-Layer Antenna Layout for Higher Radiation Efficiency
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Solution Overview
Problem
Conventional antennas have low radiation efficiency due to a small radiation area, which limits their effectiveness in transmitting and receiving radio frequency signals.
Innovation Solution
The antenna design includes multiple radiation units and electrode layers arranged in a specific configuration to increase the clearance height and radiation efficiency, with overlapping orthographic projections to enhance signal transmission and reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single radiation unit is used in the antenna, then the device complexity is reduced, but the radiation efficiency deteriorates due to small radiation area
Solution Approach 1:
The patent implements a nested structure where a first radiation unit and a second radiation unit are positioned at different heights (different z-coordinates) with their orthographic projections overlapping on the base substrate. The second radiation unit is nested within the projection area of the first radiation unit, effectively increasing the radiation area without proportionally increasing the device footprint or complexity.
Solution Approach 2:
The patent transitions from a single-plane radiation structure to a multi-dimensional structure by positioning radiation units at different heights. The first radiation unit and second radiation unit are arranged in different vertical layers, utilizing the z-dimension to increase the effective radiation area while maintaining a compact horizontal footprint.
2Loss of energy
If multiple radiation units are added to increase radiation area, then the radiation efficiency is improved, but the device complexity increases
Solution Approach 1:
Multiple radiation units are nested within overlapping projection areas on the base substrate. The first radiation unit and second radiation unit share the same horizontal footprint region, allowing the antenna to achieve higher radiation efficiency without proportionally increasing the device area or structural complexity.
Solution Approach 2:
The patent resolves the complexity issue by arranging multiple radiation units in different vertical dimensions rather than spreading them out horizontally. This multi-layer arrangement increases the effective radiation area while keeping the horizontal device footprint compact, thus managing overall device complexity.
3Loss of energy
If the clearance height is increased to improve radiation efficiency, then the radiation area is effectively increased, but the device volume increases
Solution Approach 1:
The patent utilizes the vertical dimension (z-coordinate) to position radiation units at different heights, creating an effective clearance height that increases radiation efficiency. By stacking radiation units vertically rather than expanding horizontally, the antenna achieves the desired clearance height while minimizing the increase in overall device volume.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration effectively improves radiation efficiency by increasing the radiation area and ensuring better signal transmission and reception capabilities compared to antennas with only a single radiation unit.
Implementation Method 1
The at least one first radiation unit and the at least one second radiation unit cooperate to radiate a radio frequency signal
Data Source
AI summary
An antenna according to an embodiment of the present disclosure includes a first substrate, the first substrate includes: a first base substrate; at least one first radiation unit on a side of the first base substrate; a first electrode layer on a side of the first base substrate away from the at least one first radiation unit; and at least one second radiation unit on a side of the at least one first radiation unit away from the first electrode layer; wherein an orthographic projection of each second radiation unit on the first base substrate at least partially overlaps an orthographic projection of one first radiation unit on the first base substrate; and an orthographic projection of the at least one first radiation unit on the first base substrate is within an orthographic projection of the first electrode layer on the first base substrate.